Home / 77,086.40-115,642.56-24,491.84

Finding the Fourth Proportional to 77,086.40, 115,642.56 and 24,491.84

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Solution

The fourth proportional to 77,086.40, 115,642.56 and 24,491.84 is: 36,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,086.40 : 115,642.56 = 24,491.84 : x
  2. Step 2: Convert to fraction form
    77,086.40/115,642.56 = 24,491.84/x
  3. Step 3: Cross multiply
    77,086.40x = 115,642.56 × 24,491.84
  4. Step 4: Simplify right side
    77,086.40x = 2,832,299,076.71
  5. Step 5: Solve for x
    x = 2,832,299,076.71/77,086.40
  6. Step 6: Final answer
    x = 36,741.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.